Android Programming: The Big Nerd Ranch Guide

Updating the UI with Location Data

Just to verify that things are working as expected, add click listeners to the Start and Stop buttons in RunFragment that communicate with RunManager. Also add calls to a simple updateUI() method.

Listing 33.7  Starting and stopping location updates (RunFragment.java)

public class RunFragment extends Fragment {

    private RunManager mRunManager;

    private Button mStartButton, mStopButton;
    private TextView mStartedTextView, mLatitudeTextView,
        mLongitudeTextView, mAltitudeTextView, mDurationTextView;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRetainInstance(true);
        mRunManager = RunManager.get(getActivity()); } @Override public View onCreateView(LayoutInflater inflater, ...